The Sleeve,shaft,pump, cataloged under National Stock Number 4320-01-040-1083, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-040-1083 |
| Primary Part Number | 965258-00 |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 2.0620 INCHES NOMINAL IN |
| Body Outside Diameter | 1.6230 INCHES NOMINAL IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 1.3770 INCHES NOMINAL IN |
| Flange Width | 1.1200 INCHES NOMINAL IN |
| Material | NICKEL ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 965258-00 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 55-22543-20 | Euramco Safety Inc (USA) |
| Reference | Meaning |
|---|---|
| 96528-00 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 96528-00 | 3/9 Design control — primary reference U.S. Government activity |
| 965258-00 | 5/9 Secondary reference U.S. Government activity |
| 965258 | 5/9 Secondary reference U.S. Government activity |
| 965258PA | 5/9 Secondary reference U.S. Government activity |
NSN 4320-01-040-1083 is a Sleeve,shaft,pump, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-040-1083 has 2 manufacturer part numbers on file: 965258-00 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 55-22543-20 (Euramco Safety Inc).
Key specifications for 965258-00: Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 2.0620 INCHES NOMINAL IN; Body Outside Diameter: 1.6230 INCHES NOMINAL IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.